mol="IHG" Charge="0"
lab="C1"	NH="3" 
lab="C2"	NH="1" 
lab="C3"	NH="3" 
lab="NE"	NH="1" 
lab="CZ"	NH="0" 
lab="NH1"	NH="1" 
lab="NH2"	NH="1" 
lab="OH"	NH="1" 
